Cisco IOS XE Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes that do not belong to any customers or the local autonomous system (AS).
<VulnDiscussion>Advertisement of routes by an autonomous system for networks that do not belong to any of its customers pulls traffic away fr...Rule Medium Severity -
SRG-NET-000205-RTR-000006
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
<VulnDiscussion>Outbound route advertisements belonging to the core can result in traffic either looping or being black holed, or at a minimu...Rule Medium Severity -
SRG-NET-000018-RTR-000006
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject route advertisements from BGP peers that do not list their autonomous system (AS) number as the first AS in the AS_PATH attribute.
<VulnDiscussion>Verifying the path a route has traversed will ensure the IP core is not used as a transit network for unauthorized or possibl...Rule Low Severity
Node 2
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